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