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