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