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