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