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