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