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