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