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