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