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