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