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