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