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