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