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