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