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