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