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