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