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