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