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