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