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)(17,18,23,21,24,27,22,26)(19,28,30,29,31,32,20,25)(2,5)(6,8)(17,19,24,31)(18,25,27,29)(20,22,30,23)(21,32,26,28)(1,3,4,7)(2,6,5,8)(10,13)(14,16)(17,20,23,19,24,30,22,31)(18,25,21,28,27,29,26,32)(17,21,22,18,24,26,23,27)(19,29,20,28,31,25,30,32)(9,11,12,15)(10,14,13,16)(17,22,24,23)(18,26,27,21)(19,30,31,20)(25,28,29,32)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.