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