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