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