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)(22,24)(23,29)(25,33)(35,36)(7,12)(9,11)(14,18)(19,20)(21,22,26,24)(23,27,29,30)(25,28,33,32)(31,35,34,36)(5,6)(7,9)(8,10)(11,12)(13,14,17,18)(15,19,16,20)(21,23)(22,27)(24,30)(25,34)(26,29)(28,36)(31,33)(32,35)(1,2)(3,4)(5,7)(6,9)(8,12)(10,11)(13,15,17,16)(14,19,18,20)(21,24,26,22)(23,30,29,27)(25,28,33,32)(31,35,34,36)(5,6)(7,9)(8,10)(11,12)(13,16,17,15)(14,20,18,19)(21,25)(22,28)(23,31)(24,32)(26,33)(27,35)(29,34)(30,36)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.