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