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