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