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