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