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