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