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