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