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