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