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