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