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