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