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