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