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