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