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