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