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