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