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