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