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