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