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