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