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