The riff goes something like this to start:
e |-x-x-3-x-x-3-x-x-3-x-x-5-x-x-3--x-x-3-x-x-3-x-x-3-x-x-5--|
B |-x-x-3-x-x-3-x-x-3-x-x(3)x-x-3--x-x-3-x-x-3-x-x-3-x-x(3)-|
G |---------------------------------------------------------|
D |---------------------------------------------------------|
A |---------------------------------------------------------|
E |---------------------------------------------------------|

Then it repeats like this:
|-3-3-3-x-3-3-x-x-5-x-x-3--x-x-3-x-x-3-x-x-3-x-x-5-x-x-3-|
|-3-3-3-x-x-3-x-x(3)x-x-3--x-x-3-x-x-3-x-x-3-x-x(3)x-x-3-|
|-3-3-3--------------------------------------------------|
|--------------------------------------------------------|
|--------------------------------------------------------|
|--------------------------------------------------------|

The lead behind it:
e |-5-4-3--5-4-3--|
B |---------------|
G |---------------|
D |---------------|
A |---------------|
E |---------------|

There is a faint riff Fripp plays behind the chorus:
e |---------------|
B |-8--8--8--8--8-|
G |---------------|
D |---------------|
A |---------------|
E |---------------|

In the break before the solo the riff is vamped on like this:
|-3-3-----3-3-x-x-5-x-x-3--5--5-5-5-5----3--------|
|-3-3-----x-3-x-x(3)x-x-3--------------6------3---|
|-3-3---------------------------------------5-----|
|-----------------------------------------------5-|
|-------------------------------------------------|
|-------------------------------------------------|