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