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