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