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