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