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