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