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