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