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