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