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