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