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