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