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