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