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