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