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