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)(17,18,21,24)(19,25,27,22)(20,23,28,30)(26,31,32,29)(34,40)(35,37)(36,44)(43,48)(1,3)(2,8)(4,6)(5,14)(7,10)(9,12)(11,15)(13,16)(17,19,21,27)(18,22,24,25)(20,26,28,32)(23,29,30,31)(33,34,39,40)(35,41,37,47)(36,45,44,38)(42,43,46,48)(2,6)(3,10)(9,13)(11,14)(17,19)(18,22)(20,26)(21,27)(23,29)(24,25)(28,32)(30,31)(33,35,39,37)(34,41,40,47)(36,42,44,46)(38,48,45,43)(1,4)(2,3)(5,12)(6,10)(7,8)(9,11)(13,14)(15,16)(17,19)(18,22)(20,26)(21,27)(23,29)(24,25)(28,32)(30,31)(33,36)(34,38)(35,42)(37,46)(39,44)(40,45)(41,48)(43,47) involution — undirected(1,5,7,15)(2,9,6,13)(3,11,10,14)(4,12,8,16)(17,18)(19,22)(20,23)(21,24)(25,27)(26,29)(28,30)(31,32)(33,37,39,35)(34,41,40,47)(36,46,44,42)(38,48,45,43)(1,6,7,2)(3,4,10,8)(5,13,15,9)(11,12,14,16)(17,20,21,28)(18,23,24,30)(19,26,27,32)(22,29,25,31)(33,38)(34,36)(35,43)(37,48)(39,45)(40,44)(41,46)(42,47)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.