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