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