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