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