The whole song basically flips between three parts:
Part One
G|-----------------------------------------------------|
D|-----------------------------------------------------|
A|---5--3--1--3----------------------------------------|
E|-----------------------------------------------------|
Part Two
G|-----------------------------------------------------|
D|-----------------------------------------------------|
A|-----------------------------------------------------|
E|-555-566--888-81010----------------------------------|
(10's)
[ Tab from: https://www.guitartabs.cc/tabs/c/chemical_brothers/swoon_btab.html ]
Part Three
G|-----------------------------------------------------|
D|-----------------------------------------------------|
A|--555-3-11-33------555-3-11--------------------------|
E|----------------------------33-----------------------|
Breakdown
(There's nothing else, there's nothing else)
G|-----------------------------------------------------|
D|-----------------------------------------------------|
A|--111--333--111--333---------------------------------|
E|-----------------------------------------------------|
If you listen to the song, it's easy to fit each part into the song