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