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