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