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