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