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