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