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