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