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