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