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