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