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