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