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