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