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