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