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