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