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