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