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