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