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