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