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