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