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