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