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