One vertex per element, one color per generator, with an edge from x to x·s.
(5,6,11,16)(7,17,20,22)(8,13,12,28)(9,23,25,14)(10,18,27,15)(19,33,35,36)(21,30,29,34)(24,31,26,32)(1,2)(3,4)(5,7,10,13,11,20,27,28)(6,12,15,17,16,8,18,22)(9,19,26,30,25,35,24,34)(14,29,32,33,23,21,31,36)(2,4)(5,8)(6,13)(7,18)(9,21)(10,22)(11,12)(14,30)(15,20)(16,28)(17,27)(19,31)(23,34)(24,33)(25,29)(26,36)(32,35) involution — undirected(5,9,10,26,11,25,27,24)(6,14,15,32,16,23,18,31)(7,19,13,30,20,35,28,34)(8,21,22,36,12,29,17,33)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.