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