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