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