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