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