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