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