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