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