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