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