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