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