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