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)(19,24)(20,21)(22,31)(23,27)(25,30)(26,28)(29,32)(1,2)(3,7)(4,5)(6,8)(10,14)(11,16)(17,19,23,29)(18,24,27,32)(20,28,30,22)(21,26,25,31)(2,5)(6,7)(10,14)(12,15)(17,20)(18,25)(19,28)(21,27)(22,29)(23,30)(24,31)(26,32) involution — undirected(2,5)(6,7)(9,11)(10,12)(13,16)(14,15)(17,21,23,25)(18,20,27,30)(19,26,29,31)(22,24,28,32)(1,2)(3,6)(4,5)(7,8)(9,12)(10,11)(13,15)(14,16)(17,20)(18,21)(19,28)(22,29)(23,30)(24,26)(25,27)(31,32) involution — undirected(1,3)(2,6)(4,8)(5,7)(9,11)(10,12)(13,16)(14,15)(17,22,23,28)(18,26,27,31)(19,20,29,30)(21,24,25,32)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.