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