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