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