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