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