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