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