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