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