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