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)(14,26)(15,23)(17,31)(18,19)(20,30)(21,24)(25,28)(32,35)(33,34)(1,3,4,2)(5,6)(7,13)(8,20)(9,12)(10,23)(11,15)(14,21)(16,28)(17,32)(18,25)(19,29)(22,26)(24,30)(27,33)(31,36)(34,35)(5,7)(6,13)(8,17)(9,18)(10,16)(11,19)(12,25)(14,27)(15,29)(20,32)(21,33)(22,34)(23,28)(24,31)(26,35)(30,36) involution — undirected(5,8)(6,14)(7,17)(9,21)(10,24)(11,22)(12,26)(13,27)(15,30)(16,31)(18,33)(19,34)(20,23)(25,35)(28,32)(29,36) involution — undirected(5,9,11,10)(6,12,15,23)(7,18,19,16)(8,21,22,24)(13,25,29,28)(14,26,30,20)(17,33,34,31)(27,35,36,32)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.