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