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