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