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