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