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