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