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