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