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