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