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