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