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