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