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