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