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