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