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