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