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