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