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