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