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