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)(33,34,38,41)(35,37,40,47)(36,43,46,39)(42,48,44,45)(2,4)(3,10)(8,12)(11,13)(17,18)(19,25)(20,24)(21,22)(23,26)(27,31)(28,29)(30,32)(33,35,38,40)(34,37,41,47)(36,44,46,42)(39,48,43,45)(2,4)(7,9)(8,12)(15,16)(19,26)(23,25)(27,32)(30,31)(33,36,38,46)(34,39,41,43)(35,42,40,44)(37,45,47,48)(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)(33,35)(34,37)(36,42)(38,40)(39,45)(41,47)(43,48)(44,46) involution — undirected(1,4,6,2)(3,9,10,7)(5,12,14,8)(11,16,13,15)(17,19)(18,23)(20,27)(21,26)(22,25)(24,30)(28,31)(29,32)(33,36)(34,39)(35,42)(37,45)(38,46)(40,44)(41,43)(47,48)(1,5,6,14)(2,8,4,12)(3,11,10,13)(7,15,9,16)(17,20,21,29)(18,24,22,28)(19,27,26,32)(23,30,25,31)(33,37)(34,40)(35,41)(36,45)(38,47)(39,44)(42,43)(46,48)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.