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