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