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