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