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