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