One vertex per element, one color per generator, with an edge from x to x·s.
(2,6)(7,8)(9,10,12,14)(11,13,15,16)(17,18,22,25,21,24,30,32)(19,26,27,31,23,20,28,29)(1,2,5,6)(3,7,4,8)(11,15)(13,16)(17,19,21,23)(18,20,24,26)(22,27,30,28)(25,29,32,31)(1,3,5,4)(2,7,6,8)(9,11,12,15)(10,13,14,16)(22,30)(25,32)(27,28)(29,31)(1,4,5,3)(2,7,6,8)(17,20,21,26)(18,23,24,19)(22,31,30,29)(25,27,32,28)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.