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