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