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