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