One vertex per element, one color per generator, with an edge from x to x·s.
(1,2)(3,9,11,6)(4,12)(5,8)(7,13)(10,14,16,15)(17,18,20,28,23,25,22,26)(19,29,30,46,32,45,38,44)(21,34,33,42,37,43,36,27)(24,35,41,47,39,48,40,31)(1,3)(2,6)(4,10)(5,11)(7,14)(8,9)(12,15)(13,16)(17,19)(18,24)(20,30)(21,35)(22,38)(23,32)(25,39)(26,40)(27,44)(28,41)(29,34)(31,36)(33,47)(37,48)(42,46)(43,45) involution — undirected(1,4,5,13)(2,7,8,12)(3,10,11,16)(6,14,9,15)(18,25)(24,39)(26,28)(27,42)(29,45)(34,43)(40,41)(44,46)(17,20,23,22)(18,26,25,28)(19,30,32,38)(21,33,37,36)(24,40,39,41)(27,43,42,34)(29,44,45,46)(31,35,47,48)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.