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