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)(21,22,28,35,27,31,26,30)(23,32,33,29,34,36,25,24)(5,6,9,12)(7,13,14,10)(8,17,16,11)(15,18,20,19)(21,23)(22,29)(24,31)(25,28)(26,33)(27,34)(30,36)(32,35)(1,2,3,4)(5,7)(6,10)(8,15)(9,14)(11,18)(12,13)(16,20)(17,19)(21,24,27,29)(22,23,31,34)(25,35,33,30)(26,36,28,32)(7,14)(10,13)(15,20)(18,19)(21,25,28,23,27,33,26,34)(22,24,35,32,31,29,30,36)(5,8,9,16)(6,11,12,17)(7,15,14,20)(10,18,13,19)(21,26,27,28)(22,30,31,35)(23,33,34,25)(24,32,29,36)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.