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