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