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