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