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