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