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