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