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