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