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)(20,25)(21,31)(22,32)(23,27)(24,30)(26,29)(1,3)(2,6)(4,7)(5,8)(9,11,14,10)(12,15,13,16)(17,19,22,30,23,21,20,29)(18,24,25,28,27,26,32,31)(1,4,5,2)(3,7,8,6)(9,12,14,13)(10,15,11,16)(17,20,23,22)(18,25,27,32)(19,29,21,30)(24,28,26,31)(3,8)(6,7)(9,13,14,12)(10,16,11,15)(17,20,23,22)(18,25,27,32)(19,29,21,30)(24,28,26,31)(17,21,22,29,23,19,20,30)(18,26,25,31,27,24,32,28)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.