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