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