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