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