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