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