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