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