One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,5,3)(4,7,8,6)(9,10,13,12)(11,15,16,14)(17,18,21,22)(19,23,24,20)(25,26,29,31)(27,30,28,32)(1,2,5,3)(4,6,8,7)(10,12)(11,16)(25,27,29,28)(26,30,31,32)(2,3)(6,7)(9,11,13,16)(10,14,12,15)(17,19,21,24)(18,20,22,23)(25,28,29,27)(26,30,31,32)(1,3,5,2)(4,7,8,6)(17,20)(18,19)(21,23)(22,24)(25,26)(27,30)(28,32)(29,31)(1,4)(2,6)(3,7)(5,8)(9,12,13,10)(11,15,16,14)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.