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