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