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