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