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)(14,18)(15,21)(20,25)(23,27)(29,30,33,34)(31,35,39,37)(32,40,42,36)(38,44,41,43)(7,11)(9,12)(16,24)(20,25)(23,27)(26,28)(30,34)(35,37)(36,40)(43,44) involution — undirected(5,7)(6,9)(8,11)(10,12)(13,14,17,18)(15,22,21,19)(16,20,24,25)(23,28,27,26)(29,31,33,39)(30,35,34,37)(32,41,42,38)(36,44,40,43)(1,2)(3,4)(13,15,17,21)(14,19,18,22)(16,23,24,27)(20,26,25,28)(29,30)(31,37)(32,36)(33,34)(35,39)(38,44)(40,42)(41,43)(5,6)(7,9)(8,10)(11,12)(13,16)(14,20)(15,23)(17,24)(18,25)(19,26)(21,27)(22,28)(29,32,33,42)(30,36,34,40)(31,38,39,41)(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.