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