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