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