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