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