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