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