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