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