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