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