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