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)(19,26)(20,30)(21,25)(22,24)(23,29)(27,32)(28,31)(1,2,4,5)(3,6,7,8)(9,11)(10,12)(13,15)(14,16)(17,19,22,29)(18,23,24,26)(20,31,25,27)(21,28,30,32)(2,5)(6,8)(9,12,15,14)(10,11,16,13)(18,24)(20,25)(23,26)(27,31)(3,7)(6,8)(9,11,15,13)(10,12,16,14)(17,19)(18,23)(20,27)(21,32)(22,29)(24,26)(25,31)(28,30)(1,2)(3,6)(4,5)(7,8)(9,13,15,11)(10,12,16,14)(17,20,22,25)(18,21,24,30)(19,27,29,31)(23,32,26,28)(1,3)(2,6)(4,7)(5,8)(9,14,15,12)(10,11,16,13)(17,21)(18,25)(19,28)(20,24)(22,30)(23,27)(26,31)(29,32)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.