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