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