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