One vertex per element, one color per generator, with an edge from x to x·s.
(5,6)(7,11)(8,9)(10,12)(13,14)(15,25)(16,30)(17,24)(18,23)(19,22)(20,27)(21,31)(26,40)(28,35)(29,36)(32,38)(33,37)(34,42)(39,41)(43,44) involution — undirected(1,2)(3,4)(6,9)(10,11)(13,15,18,28,19,29,17,27)(14,20,24,36,22,35,23,25)(16,26,33,43,32,42,31,41)(21,34,38,44,37,40,30,39)(2,4)(13,16)(14,21)(15,26)(17,31)(18,33)(19,32)(20,34)(22,37)(23,30)(24,38)(25,39)(27,41)(28,43)(29,42)(35,40)(36,44) involution — undirected(5,7,8,12)(6,10,9,11)(14,22)(20,35)(21,37)(23,24)(25,36)(30,38)(34,40)(39,44)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.