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