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