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