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