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