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