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