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