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