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