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