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