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