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