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