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