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