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)(13,14,18,20)(15,16,17,19)(22,26)(23,29)(28,33)(30,35)(5,6)(7,9)(8,10)(11,12)(13,15,18,17)(14,19,20,16)(23,29)(27,32)(30,35)(34,36)(7,12)(9,11)(14,20)(15,17)(21,22,25,26)(23,27,29,32)(24,28,31,33)(30,34,35,36)(1,2,3,4)(5,6)(7,9)(8,10)(11,12)(13,16,18,19)(14,15,20,17)(21,23,25,29)(22,27,26,32)(24,30,31,35)(28,34,33,36)(5,7)(6,9)(8,12)(10,11)(13,17,18,15)(14,19,20,16)(21,24,25,31)(22,28,26,33)(23,30,29,35)(27,34,32,36)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.