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