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