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