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