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