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