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