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