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