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