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