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)(11,15)(12,13)(14,16)(17,18,23,21)(19,22,25,31)(20,27,30,24)(26,32,28,29)(1,3)(2,4)(5,8)(6,7)(10,12)(14,15)(17,19,23,25)(18,22,21,31)(20,28,30,26)(24,32,27,29)(9,11)(10,14)(12,15)(13,16)(17,20,23,30)(18,24,21,27)(19,26,25,28)(22,29,31,32)(2,6)(4,7)(9,12,13,10)(11,15,16,14)(17,21,23,18)(19,22,25,31)(20,27,30,24)(26,29,28,32)(1,3)(2,4)(5,8)(6,7) involution — undirected(1,4)(2,3)(5,7)(6,8)(9,11)(10,15)(12,14)(13,16)(17,22)(18,25)(19,21)(20,29)(23,31)(24,28)(26,27)(30,32) 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.