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