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