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