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