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