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