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