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