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)(15,21)(16,24)(17,18)(19,22)(20,25)(23,26)(27,28)(29,30,35,38)(31,36,32,33)(34,37,42,44)(39,43,40,41)(5,6)(7,11)(8,10)(9,12)(14,18)(15,22)(20,24)(23,28)(29,31,35,32)(30,36,38,33)(34,40,42,39)(37,41,44,43)(5,6,8,10)(7,9,12,11)(13,14)(15,21)(16,24)(17,18)(19,22)(20,25)(23,26)(27,28)(29,32,35,31)(30,36,38,33)(34,40,42,39)(37,43,44,41)(1,2,3,4)(5,6)(7,9)(8,10)(11,12)(13,15)(14,19)(16,23)(17,22)(18,21)(20,26)(24,27)(25,28)(29,33,35,36)(30,32,38,31)(34,41,42,43)(37,40,44,39)(5,7,8,12)(6,9,10,11)(13,16,17,25)(14,20,18,24)(15,23,22,28)(19,26,21,27)(29,34)(30,37)(31,39)(32,40)(33,41)(35,42)(36,43)(38,44)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.