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