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