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