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