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