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