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