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