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)(24,29)(26,32)(28,30)(3,7)(5,8)(9,10,13,12)(11,14,15,16)(18,23)(20,30)(24,27)(26,31)(1,2)(3,5)(4,6)(7,8)(10,12)(11,15)(17,19,22,29)(18,24,23,27)(20,31,30,26)(21,25,32,28)(9,11,13,15)(10,14,12,16)(17,19)(18,24)(20,31)(21,28)(22,29)(23,27)(25,32)(26,30)(1,3)(2,5)(4,7)(6,8)(9,11)(10,14)(12,16)(13,15)(17,20,22,30)(18,25,23,28)(19,26,29,31)(21,27,32,24)(1,2)(3,5)(4,6)(7,8)(9,12,13,10)(11,16,15,14)(17,21)(18,26)(19,28)(20,27)(22,32)(23,31)(24,30)(25,29)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.