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