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)(13,14,19,22)(15,25,29,36)(16,30,33,38)(17,23,18,24)(20,28,35,27)(21,32,37,31)(26,40,43,34)(39,42,44,41)(2,4)(7,8)(10,11)(13,15,19,29)(14,20,22,35)(16,26,33,43)(17,28,18,27)(21,34,37,40)(23,25,24,36)(30,44,38,39)(31,42,32,41)(5,7,9,8)(6,10,12,11)(13,16)(14,21)(15,26)(17,31)(18,32)(19,33)(20,34)(22,37)(23,38)(24,30)(25,39)(27,41)(28,42)(29,43)(35,40)(36,44)(5,8,9,7)(6,11,12,10)(14,22)(20,35)(21,37)(23,24)(25,36)(30,38)(34,40)(39,44)(6,12)(10,11)(13,17,19,18)(14,23,22,24)(15,27,29,28)(16,31,33,32)(20,36,35,25)(21,38,37,30)(26,41,43,42)(34,44,40,39)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.