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