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