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