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