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