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