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)(15,20)(16,21)(17,22)(18,19)(23,26)(24,25)(27,28)(30,31)(32,39)(33,41)(43,44)(2,4)(14,19)(16,20)(22,28)(24,26)(29,30,34,31)(32,35,39,37)(33,36,41,38)(40,43,42,44)(1,2)(3,4)(5,7,9,8)(6,10,12,11)(13,15,18,21)(14,20,19,16)(17,25,27,23)(22,24,28,26)(29,31,34,30)(32,37,39,35)(33,36,41,38)(40,43,42,44)(5,6)(7,10)(8,11)(9,12)(13,16,18,20)(14,21,19,15)(17,26,27,24)(22,23,28,25)(29,32)(30,35)(31,37)(33,42)(34,39)(36,44)(38,43)(40,41)(5,8,9,7)(6,11,12,10)(13,17,18,27)(14,22,19,28)(15,23,21,25)(16,24,20,26)(29,33)(30,36)(31,38)(32,40)(34,41)(35,43)(37,44)(39,42)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.