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