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