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)(21,31)(26,34)(27,36)(28,35)(32,38)(33,37)(39,41)(40,44)(42,43)(5,6)(7,10)(8,9)(11,12)(13,15,17,28,19,27,18,29)(14,20,23,36,24,35,22,25)(16,26,31,41,33,40,32,42)(21,34,30,43,38,44,37,39)(2,4)(6,9)(10,12)(13,16,17,31,19,33,18,32)(14,21,23,30,24,38,22,37)(15,26,28,41,27,40,29,42)(20,34,36,43,35,44,25,39)(5,7)(6,10)(8,11)(9,12)(15,27)(20,35)(25,36)(26,40)(28,29)(34,44)(39,43)(41,42) involution — undirected(7,11)(10,12)(13,17,19,18)(14,22,24,23)(15,28,27,29)(16,31,33,32)(20,25,35,36)(21,37,38,30)(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.