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