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