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