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