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