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