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