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