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