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