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