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