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