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