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