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