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