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