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