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