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