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