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