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)(17,18,22,26)(19,27,30,24)(20,23,31,29)(21,25,32,28)(1,3,5,8)(2,6,4,7)(9,11,14,10)(12,15,13,16)(17,19)(18,24)(20,25)(21,23)(22,30)(26,27)(28,31)(29,32)(9,12)(10,15)(11,16)(13,14)(17,20,23,26,22,31,29,18)(19,28,21,24,30,25,32,27)(1,4,5,2)(3,6,8,7)(9,13,14,12)(10,16,11,15)(17,21)(18,25)(19,29)(20,27)(22,32)(23,30)(24,31)(26,28)(10,11)(15,16)(18,26)(19,30)(20,31)(21,32) 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.