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