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