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