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