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