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