One vertex per element, one color per generator, with an edge from x to x·s.
(5,6)(7,8)(9,10,13,12)(11,15,16,14)(17,18,20,24,21,25,30,23)(19,26,27,31,28,32,29,22)(1,2)(3,4)(9,11,13,16)(10,14,12,15)(17,18)(19,26)(20,23)(21,25)(22,27)(24,30)(28,32)(29,31)(2,4)(17,19,21,28)(18,22,25,31)(20,29,30,27)(23,26,24,32)(6,8)(9,12,13,10)(11,14,16,15)(18,23)(20,30)(22,26)(24,25)(27,29)(31,32)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.